History and aims. (Serial, 1st part) (1500 w.) (No. 62802 A)


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    Title :

    Development of Pennsylvania railroad track inspection system


    Additional title:

    Ry Gaz, Lond



    Publication date :

    1915


    Remarks:

    Ills.


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    English track on the Pennsylvania railroad

    Richards, Jos T. | Engineering Index Backfile | 1913


    A new Pennsylvania railroad track scale

    Engineering Index Backfile | 1911


    Railroad track inspection car

    Walker, Jr., R.D. | Engineering Index Backfile | 1949


    Automatic Railroad Track Inspection

    Hayre, H.S. | Tema Archive | 1974